Graphene-based slab waveguide for slow-light propagation and mode filtering

M. A. Baqir and P. K. Choudhury

Journal of Electromagnetic Waves and Applications, 2017, vol. 31, issue 18, 2055-2063

Abstract: The existence of broadband slow-waves through slab waveguide comprised of sub-wavelength-sized bulk gold and bounded with graphene and silica layers was investigated. A monolayer of graphene medium was taken to be interposed between the gold core and the silica cladding (of the guide). The dispersion behavior exhibits that the guide supports only the fundamental transverse magnetic (TM0) mode, whereas the transverse electric (TE) and the higher order TM modes are blocked. Furthermore, slow-waves can sustain in the guide in the entire visible region of the electromagnetic spectrum.

Date: 2017
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DOI: 10.1080/09205071.2017.1280421

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Journal of Electromagnetic Waves and Applications is currently edited by Mohamad Abou El-Nasr and Pankaj Kumar Choudhury

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